Author: Matthias-Christian Ott Date: To: Jim Cheetham CC: exim-users Subject: Re: [exim] open relay aftermath
On Mon, Feb 14, 2011 at 06:43:40AM +1300, Jim Cheetham wrote: > On 14/02/11 05:53, Matthias-Christian Ott wrote:
> > Do you have any advice for what I should do additionally to ensure that
> > this configuration mistake has no further consequences (like being
> > blacklisted, rejected etc.)?
>
> Not quite what you want, but identify the IP addresses used by the bots,
> and blacklist them permanently at the edge of your network; they will
> not stop trying to send mail through your server, even if all subsequent
> attempts fail. You have better things to do than reject their messages
> with the MTA.
The problem is that the bots IP addresses come from dynamic address
pools and are changing.
